Calcium carbonate is relatively insoluble and the dissolution reaction is endoth

Question

Calcium carbonate is relatively insoluble and the dissolution reaction is endothermic:
CaCO3(s)Ca2+(aq)+CO23(aq). Which change in reaction condition below will shift the equilibrium to the right?

Calcium carbonate is relatively insoluble and the dissolution reaction is endothermic:
. Which change in reaction condition below will shift the equilibrium to the right?

add an acid to react with CO23 ion add an anion with which Ca2+ is even less soluble than calcium carbonate increase the temperature All of these will shift reaction to the right.

Explanation / Answer

option a is answer

explanation

Calcium carbonate has a very low solubility in pure water but in acidic water, its solubility increases due to the formation of more soluble calcium bicarbonate.

Calcium carbonate is unusual in that its solubility increases as the temperature of the water decreases

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